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#include <iostream>
#include <iomanip>
#include <string>
#include <stdio.h>
#include <math.h>
using namespace std;
const string digitStr[] = {"zero","one","two","three","four","five","six","seven","eight","nine"};
const string teenStr[] = {"eleven","twelve","thirteen","fourteen","fifteen","sixteen","seventeen","eighteen","nineteen"};
const string tenStr[] = {"ten","twenty","thirty","forty","fifty","sixty","seventy","eighty","ninety"};
const string suffix[] = {" ", "thousand", "million" , "billion"};
//---------------------------------------------------------------------
string writtenThreeDigits (int threeDig )
{
// (ndx%10);
// (ndx/10);
//wholeNumber = 123
unsigned int ones, tens, hundreds;
ones = threeDig % 10;
tens = (threeDig / 10) % 10;
hundreds = (threeDig / 10) %10;
string hundred;
if ( hundreds != 0 )
{
hundred = hundred[hundreds] + " hundred ";
}
if ( tens == 1 )
{
hundred = hundred + tenStr[tens];
}
else
{
hundred = hundred + tenStr[tens] + digitStr[ones];
}
return hundred;
//return "error written three digits not implemented";
}
//---------------------------------------------------------------------
string writtenNumber (int wholeNumber)
{
string totalAnswer = "";
int groupNum = 0;
do{
int threeDig = wholeNumber % 1000;
wholeNumber = wholeNumber / 1000;
string threeDigit = writtenThreeDigits( threeDig );
totalAnswer = threeDigit + suffix[groupNum]+ " " + totalAnswer;
groupNum++;
}while( wholeNumber != 0 );
return totalAnswer;
//return "error written number not implemented";
}
int main()
{
double amount, wholeDollars, wholeCents;
//string writtenNumber();
while ( !cin.eof() )
{
amount = -1.0 ;
while ( amount < 0 )
{
cout << "Enter a dollar amount: ";
cin >> amount;
// break in middle if done
if ( cin.eof() )
break;
if ( cin.fail() )
{
cout << "You entered an invalid dollar amount!\n" ;
cin.clear();
cin.ignore(1024, '\n');
amount = -1.0;
}
wholeCents = modf( amount, &wholeDollars );
cout<< wholeDollars << " dollars " << "and " << wholeCents << " cents" << endl;
}
string writtenDollars = writtenNumber ( wholeDollars );
string writtenCents = writtenNumber ( wholeCents );
cout << fixed << setprecision(2)<< endl;
cout << "You entered: " << amount << endl;
cout << "$" << setw(14) << setfill('*') << amount << endl ;
cout << wholeDollars << " " << wholeCents << endl;
}
}
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